RU193579U1 - ELECTROCHEMICAL CONDENSERS MODULE - Google Patents

Abstract

The utility model relates to the field of electrochemical energy, namely to the energy devices of vehicles with a hybrid drive. Such devices include batteries of electrochemical capacitors (EHCs), which ensure the operation of energy systems of vehicles in peak modes. The technical result of the utility model is to increase the stability of the EHC module in conditions of varying sizes of the electrode block and vibration loads. The technical result is ensured by the design of the EHC module containing the housing with current outputs, an ECC unit, including two or more ECCs, housed in a housing and electrically connected by jumpers to each other and to current leads, an ECC preload device containing a spring and a plate from the ECC side, placed in a common clamp, which is the module body, and the clamp is made in the form of: the bottom of the module housing; made at the same time with him two front walls of the module housing; two sidewalls welded to the bottom of the module housing, as well as a fiberglass cover fixed to the flanges of the front walls of the module housing and sidewalls of the module housing, and eyelets for fixing the module are welded to the bottom of the module housing.

Description

The utility model relates to the field of electrochemical energy, namely to the energy devices of vehicles with a hybrid drive. Such devices include batteries of electrochemical capacitors (EHCs), which ensure the operation of energy systems of vehicles in peak conditions.

A known battery (we have a module) of electrochemical capacitors (RU No. 2308111 published December 10, 2005 IPC H01G 9/00), including a battery case, a capacitor case, positive and negative current outputs, a cooling system, a temperature control device, and at least two electrically connected capacitors, each of which contains a capacitor housing, an aqueous electrolyte contained therein, a polarizable electrode made of activated carbon material, and a non-polarizable electrode containing material, electrochemically reversibly operating in an aqueous electrolyte environment. The battery is equipped with a condenser compression device, each capacitor case is made prismatic, made of polymer material, and they are arranged in one or several rows, and the cooling system consists of heat-removing plates, for example radiators, and a coolant distribution device in contact with them with a coolant supply and removal mechanism. The case of the battery holding the capacitors is made in the form of a clamp made of a polymer material or metal with a protective coating.

According to the description of the invention (Fig. 3), the housing-clamp contains only one elastic element, a spring, which provides limited compensation for the expansion of the battery, which inevitably occurs during its operation. Such a limitation can lead to the appearance of excessive pressure inside the capacitor housings, leakage of electrolyte, violation of the tightness of the housings. In addition, the heat-removing elements incorporated into the battery device reduce its reliability during operation under the conditions of vibration loads typical of vehicles and are excessive, given the short battery life in the forced discharge mode.

Known ECC module (RU No. 966444, published July 27, 2010, IPC H01G 9/04, adopted as a prototype), comprising a housing with current leads, an ECC kit (we have an ECC unit), including at least two ECCs located in case and electrically connected by jumpers with each other and with current leads, an ECC preload device containing a spring and a plate from the ECC side. In this case, the ECC, the preload spring and the plate are placed in a common clamp, which can be used as a module housing.

From the description of this technical solution it follows that the clamp contains a boundedly elastic element, a spring, which does not provide compensation for the expansion of the ECC housings during operation, and therefore can lead to damage to the housings and leakage of electrolyte. In addition, both in the analogue and in the prototype there are no elements for reliable fastening of the module, which creates a danger of violating the integrity of the switching elements when operating under vibration loads.

The problem of operating EHC batteries for vehicles is to compensate for vibration loads and expand the size of individual EHCs, which is very significant, given the large number of EHCs in the module.

The objective of this utility model is to compensate for vibration loads and increase the size of the ECC unit during operation.

The technical result of the utility model is to increase the stability of the EHC module in conditions of varying sizes of the EHC unit and vibration loads.

The indicated technical result is ensured by the design of the ECC module containing a housing with current leads, a block of electrochemical capacitors, including two or more electrochemical capacitors placed in the housing and electrically connected by jumpers to each other and with current leads, a device for compressing electrochemical capacitors, containing a spring and a plate from the side of the electrochemical capacitors placed in a common clamp, which is the module housing, and the clamp is made in the form of: the bottom of the module housing; made at the same time with him two front walls of the module housing; two sidewalls welded to the bottom of the module housing, as well as a fiberglass cover fixed to the flanges of the front walls of the module housing and sidewalls of the module housing, and eyelets for fixing the module are welded to the bottom of the module housing.

The execution of the clamp in the form of: the bottom of the module housing; made at the same time with him two front walls of the module housing; two sidewalls, welded to the bottom of the body, provides an additional possibility of deformation when changing the geometric dimensions of the ECC block due to the lack of connections between the sidewalls and front walls between themselves and the possibility of their deflection under additional pressure from the ECC block. At the same time, fixing the sidewalls along only two ribs (the place of welding to the bottom and fastening to the lid) is an additional lateral screed of the ECC block. The fiberglass cover, the front walls of the module housing and the bottom of the module housing provide a lateral screed of the ECC block. The screed allows, at the same time, the possibility of deformation in the transverse direction when the dimensions of the block change in this direction, while the fiberglass is not destroyed. In addition, fiberglass is a good insulator, which fundamentally eliminates short circuits of current leads to the module housing cover. The eyes welded to the bottom of the module housing allow the module to be rigidly fixed in the seat with a bolt connection, if necessary with elastic gaskets, which is a vibration damper of the entire module and prevents its failure.

The essence of the utility model is illustrated by drawings.

In FIG. 1 shows a longitudinal section of an electrochemical capacitor module.

In FIG. 2 shows a cross-sectional view of a module of electrochemical capacitors.

In FIG. 3 shows a top view of an electrochemical capacitor module.

1 - bottom of the module housing

2 - front walls of the module housing, made integral with the bottom of the module housing

3 - sidewalls

4 - flanges of the front walls and sidewalls

5 - fiberglass cover module housing

6 - eyes

7 - the shell of the ECC block

8 - spring

9 - plate

10 - electrochemical capacitor

11 - jumpers

12 - current outputs

The ECC module contains a housing consisting of the bottom of the housing of module 1, made at the same time two front walls of the housing of module 2, sidewalls 3, welded only to the bottom of housing 1. Frontal walls 2 and sidewalls 3 are provided with flanges 4 for fastening the fiberglass cover of the housing of module 5. The eyes are welded to the bottom of the module 1 housing. Inside the housing there is an ECC block tightened by a shell 7, which covers a spring 8 and a plate 9. The ECC block contains electrochemical capacitors 10 connected in series with jumpers 11 to each other and currents odes 12 mounted on the lid of the housing unit 5.

The assembly of the ECC module is carried out in the following sequence. The required number of electrochemical capacitors 10 is combined into an EHC block and fixed by means of a shell 7 together with a plate 9 and a spring 8, as a result, a clamping and tight fixing of the EHC block is ensured. The capacitors of the ECC block are connected by jumpers 11, after which the ECC block is placed in the module casing, consisting of the bottom of the module 1 casing, made at the same time as the front walls of the module 2 casing and sidewalls 3, welded only to the bottom of the module 1 casing. A tight fit of the ECC block is ensured by the size the bottom of the housing 1 and the angle between the front walls 2 and the bottom 1. Lateral locking of the ECC block is ensured by the angle between the sidewalls 3, welded only to the bottom of the housing 1 and the bottom of the module 1. The final fixing of the ECC block is carried out by means of closed insulations of the housing cover 5 on the flanges 4 of the front walls 2 and the side walls 3. The current leads 12 are fixed to the cover 5 by a bolt connection. The module is installed in the vehicle seat using the eyes 6, which prevent the module from moving around the seat. The connection of the eyes 6 with the seat if necessary can be performed using elastic gaskets that perform the function of damping vibration loads. If during the operation of the module there is a change in the geometric dimensions of the ECC 10, as a result of which the shell 7 is deformed or torn, the collar formed by the bottom of the housing of the module 1 begins to play the role of the elastic coupler; made at the same time with him two front walls of the housing of the module 2; sidewalls 3, welded only to the bottom of the housing of module 1 and fiberglass cover 5. This clamp, due to the lack of connections of the front walls 2 and sidewalls 3 along the side ribs, can, deforming, provide the required compression force of the ECC 10 taking into account their changed geometric dimensions. This prevents damage to the ECC housings and leakage of electrolyte from them.

Claims (1)

An electrochemical capacitor module comprising a housing with current leads, an electrochemical capacitor block including two or more electrochemical capacitors housed in the housing and electrically connected by jumpers to each other and with current leads, an electrochemical capacitor biased device comprising a spring and a plate from the side of the electrochemical capacitors placed in a common a clamp, which is the module housing, characterized in that the clamp is made in the form of: the bottom of the module housing; made at the same time with him two front walls of the module housing; two sidewalls welded to the bottom of the module housing, as well as a fiberglass cover fixed to the flanges of the front walls of the module housing and sidewalls of the module housing, and eyelets for fixing the module are welded to the bottom of the module housing.

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